Couplings in steel

Working pressure  media  DN Series
10 bar Compressed air 10 mm Series 421
12 bar Compressed air 5.3 mm (7/32") Series 310 standard & eSafe
12 bar  Compressed air 6.5 mm (1/4") Series 300 standard & eSafe
16 bar Compressed air 5.3 mm (7/32") Series 310
16 bar  Compressed air 5.5 mm (7/32") Series 300 
16 bar Compressed air 6.5 mm (1/4")  Series 303
16 bar Compressed air 7.5 mm (5/16")  Series 315 
16 bar Compressed air 7.6 mm (5/16")  Series 320 
16 bar Compressed air 7.6 mm (5/16")  Series 320 standard & eSafe
16 bar Compressed air 8.2 mm (5/16") Series 430 
16 bar Compressed air 9.5 mm (3/8")  Series 408 
16 bar  Compressed air 10.4 mm (13/32")  Series 410 
16 bar Compressed air 10.4 mm (13/32")  Series 410 standard & eSafe 
16 bar Compressed air 11 mm (7/16")  Series 550 
16 bar Compressed air 11 mm (7/16")  Series 550 standard & eSafe
35 bar Compressed air 5 mm (3/16") Series 220
35 bar Compressed air  7.4 mm (9/32") Series 342
       
35 bar Breathing air 7.4 mm (9/32") Series 342
       
250 bar Hydraulics 6.3 mm (1/4") Series 262
250 bar Hydraulics 10 mm (3/8") Series 362
250 bar Hydraulics  8.9 mm (11/32") Series 415
250 bar Hydraulics  25 mm (1") Series 525
250 bar Hydraulics 12.5 mm (1/2") Series 562
280 bar Hydraulics 20 mm (3/4") Series 525
       
300 bar Hydraulics 1.5 mm (1/16") Series 358
300 bar Hydraulics 12.5 mm (1/2") Series 525
300 bar Hydraulics 3 mm (1/8") Series 915
300 bar Hydraulics 6 mm (1/4") Series 925
300 bar Hydraulics 8 mm (5/16") Series 945
300 bar Hydraulics 11 mm (7/16") Series 965
300 bar Hydraulics 15 mm (7/16") Series 975
300 bar Hydraulics 19 mm (3/4") Series 985
       
320 bar Hydraulics 14.5 mm (9/16") Series 605 
320 bar Hydraulics 19 mm (3/4") Series 705
350 bar Hydraulics 25 mm (1") Series 064
350 bar Hydraulics 25 mm (1") Series 065
350 bar Hydraulics 10 mm (3/8"), 12.5 mm (1/2") Series 932
350 bar Hydraulics 10 mm (3/8") Series 525
400 bar Hydraulics 10 mm (3/8") Series 364
400 bar Hydraulics 10 mm (3/8") Series 365
400 bar Hydraulics 12.5 mm (1/2") Series 564
400 bar Hydraulics 12.5 mm (1/2") Series 565
400 bar Hydraulics 15 mm (3/4") Series 607
400 bar Hydraulics 16 mm (5/8") Series 664
400 bar Hydraulics 16 mm (5/8") Series 665
400 bar Hydraulics 19 mm (1") Series 707
400 bar Hydraulics 19 mm (3/4") Series 764
400 bar Hydraulics 19 mm (3/4") Series 765
400 bar Hydraulics 25 mm (1 1/4") Series 807
450 bar Hydraulics 6.3 mm (1/4") Series 525
500 bar Hydraulics  6.3 mm (1/4") Series 264
500 bar  Hydraulics 6.3 mm (1/4") Series 265
       
700 bar Ultra high pressure hydraulics 6.3 mm (1/4"), 10 mm (3/8") Series 232
       
720 bar Hydraulics 5 mm (3/16") Series 165
       
800 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 115
800 bar Ultra high pressure hydraulics 4 mm (5/32") Series 115
1000 bar Ultra high pressure hydraulics 2.5 mm  (3/32") Series 115
1000 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 117
1000 bar Ultra high pressure hydraulics 4.5 mm (11/64") Series 218
1500 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 116
1500 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 116
2000 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 125
2500 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 125
3000 bar Ultra high pressure hydraulics 2.5 mm (3/32") Series 135